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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3d4d1f18ad895f06a1e5cefeddd63f78c80706b6fbbc7b7d65d6032f2bed793. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


WannaCry


Vendor detections: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3d4d1f18ad895f06a1e5cefeddd63f78c80706b6fbbc7b7d65d6032f2bed793
SHA3-384 hash: 570d0902e19da7b0bdb463fee77310e734bd0097abaa8b4c53c24111c8aa5a0461d81e95a56b255257f2ae36d891b317
SHA1 hash: aa8ff92054f2d0ec93ab7d7f43cb4ef236251806
MD5 hash: 3db336176658dd4cb61aace85b9ee4e1
humanhash: kentucky-india-princess-speaker
File name:b3d4d1f18ad895f06a1e5cefeddd63f78c80706b6fbbc7b7d65d6032f2bed793
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2026-01-04 07:34:32 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 49152:SnAQqMSPbcBVQej/1INRx+TSqTdX1HkQORdhnvEAMEoyAH1plAH:+DqPoBhz1aRxcSUDk7dhvE5XyAVp2H
Threatray 1'185 similar samples on MalwareBazaar
TLSH T1F7363398756DA2FCE1040E7804A78A5773B33C692BB94B1F9F808A7A0C53F56AFD4641
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Butter1
Tags:dll eternalblue honeypot SMB WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
143
Origin country :
AU AU
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/47488/
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Ransomware.Wannacryptor-9940180-0
Create hunting rule

Win.Ransomware.Wanacryptor-9942127-1
Create hunting rule

Win.Ransomware.Wannacry-9982112-0
Create hunting rule

Win.Ransomware.WannaCry-10011460-0
Create hunting rule

Win.Ransomware.WannaCry-6313787-0
Create hunting rule

Win.Malware.Djwy-6775897-0
Create hunting rule

Win.Ransomware.Wanna-6888027-0
Create hunting rule

Win.Ransomware.Wanna-6888334-0
Create hunting rule

Win.Malware.Djwy-6923377-0
Create hunting rule

BC.Win.Exploit.Exe_With_CVE_2017_0147-6316126-2
Create hunting rule

Win.Exploit.Doublepulsar-7427328-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695a184fd2357cccc3df3ef5
Tags:
wannacry madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b3d4d1f18ad895f06a1e5cefeddd63f78c80706b6fbbc7b7d65d6032f2bed793
Verdict:
Malicious
File Type:
dll x32
First seen:
2019-02-22T03:02:00Z UTC
Last seen:
2026-01-04T08:31:00Z UTC
Hits:
~100
Detections:
Trojan-Ransom.Wanna.HTTP.ServerRequest Trojan-Ransom.Win32.Wanna.sb Trojan-Ransom.Win32.Wanna.m Trojan.Win32.Eb.a HEUR:Trojan-Ransom.Win32.Wanna.gen HEUR:Trojan.Win32.EquationDrug.gen Trojan.Win32.Eb.b HEUR:Exploit.Win32.MS17-010.gen Trojan-Ransom.Wanna.UDP.C&C Trojan.Agentb.HTTP.C&C Trojan.Win32.EquationDrug.sb HEUR:Worm.Win32.Generic HEUR:Trojan.Win32.Generic Exploit.Win32.MS17-010.kpn Trojan-Ransom.Win32.Wanna.zbu
Link:
https://opentip.kaspersky.com/b3d4d1f18ad895f06a1e5cefeddd63f78c80706b6fbbc7b7d65d6032f2bed793/results?tab=lookup
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7983ceb6-ba44-494a-bc2c-62d51e846e6d
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3d4d1f18ad895f06a1e5cefeddd63f78c80706b6fbbc7b7d65d6032f2bed793
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Link:
https://app.malva.re/file/3db336176658dd4cb61aace85b9ee4e1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3d4d1f18ad895f06a1e5cefeddd63f78c80706b6fbbc7b7d65d6032f2bed793/
Verdict:
Malicious
Threat:
Trojan-Ransom.Win32.Wanna
Link:
https://tip.neiki.dev/file/b3d4d1f18ad895f06a1e5cefeddd63f78c80706b6fbbc7b7d65d6032f2bed793
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2018-09-12 07:25:30 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
34 of 36 (94.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpknd4mk3ck7a2q6ltx63xld66gia4dln654pn6wlvqdf4v626jq._file
Verdict:
malicious
Label(s):
wannacryptor
Create hunting rule
Similar samples:
3ed4ed12009a6787dbf21e801d25663f178df377e5ec9e954cd9c17f1cb5970e
WannaCry
a4b97fd561d49eb3a43fcb259c5352840254a188e73d5d75768ad3bafa9fa58f
WannaCry
a7840762bb587763e3494e1d2cdbb3d168b20163772736201a1cd4c9a3fa0184
WannaCry
b10fedc2ddaeed43c2ca040123d060ec5af0fefc1a4ddc24f0b122b6734b8d86
WannaCry
e8e5833bfd2e454fc0bd9b4808612ddbf120b4f2d10c0fbe881df70707181198
WannaCry
error
WannaCry
f48f713168ef951fa3c7ce2a8cc480ef42a168c4184043a302b206da7fab0239
WannaCry
f99566563fecac227e55fffbc5acb6d371abdaf77db2671d1aac16febafd7f2c
WannaCry
+ 1'175 additional samples on MalwareBazaar
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/260106-jcx9kaxpgt/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Creates a large amount of network flows
Executes dropped EXE
Contacts a large (3255) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
b3d4d1f18ad895f06a1e5cefeddd63f78c80706b6fbbc7b7d65d6032f2bed793
MD5 hash:
3db336176658dd4cb61aace85b9ee4e1
SHA1 hash:
aa8ff92054f2d0ec93ab7d7f43cb4ef236251806
Detections:
WannaCry
Create hunting rule
Link:
https://www.unpac.me/results/9bc82edf-ccf0-400d-bab4-5509ce53750d/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Armadillov1xxv2xx
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:SUSP_Imphash_Mar23_2
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:Internal Research
Rule name:WannaCry_Ransomware
Create hunting rule
Author:Florian Roth (Nextron Systems) (with the help of binar.ly)
Description:Detects WannaCry Ransomware
Reference:https://goo.gl/HG2j5T

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/47488/

Comments